Pair of headphones



FIG. 1 is a perspective view of a pair of headphones, showing our design;

FIG. 2 is an opposing perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is an opposing view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines showing the environment are for illustrative purposes only.

The broken lines form no part of the claimed design.

The bottom of the headband is unornamented. 

The ornamental design for a pair of headphones, as shown and described. 